{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0c2ca8126b433b2bc1d0e3b00e9920ea37b1f20f6794a3901f2a6ac577077cd5",
    "signature": "0xf469c7694eebb73f7f944576c4c1bf76304def9cd403981480e332a8dd07e1d85783c453e4b6207026491cb3b5d81124e1c560c9bf7c561f11a80d7391ebf4761c",
    "signer": "0x1d213Bf7d1685E6C9e8589d81f7Fe642877f8EA4",
    "userId": "707945177"
  }
}